A Peruvian Airlines Boeing 737 suffered a collapsed landing gear when it arrived at an airport in Bolivia, forcing closure of the runway for several hours. <br />''<br />''<br />''Officials say none of the 122 passengers or five crew members was hurt. <br />''<br />''<br />''They said that they were unable to move the plane, prompting a 10-hour closure that delayed several other flights into and out of the El Alto airport near the Bolivian capital yesterday. <br />''<br />''<br />''The plane was arriving on a flight from Cuzco, Peru.<br />''<br />''<br />''<br />''<br />''<span style="color: #222222;">The airline said in a statement that the cause of the incident is under investigation.</span><br />